1&comma;2-Propanediol is hygroscopic&period; 1&comma;2-Propanediol is sensitive to excessive heat &lpar;tends to oxidize at high temperatures&rpar;&period; 1&comma;2-Propanediol can react with oxidizing materials&period; 1&comma;2-Propanediol is incompatible with acid chlorides&comma; acid anhydrides&comma; chloroformates&comma; and reducing agents&period; 1&comma;2-Propanediol dissolves many essential oils&period; A mixture of 1&comma;2-Propanediol with hydrofluoric acid and silver nitrate was put in a glass bottle which burst 30 minutes later&period;